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High pressure isothermal vapor-liquid equilibria of carbon dioxide+1,1-difluoroethaneHigh pressure isothermal vapor-liquid equilibria of carbon dioxide+1,1-difluoroethane
- Other Titles
- High pressure isothermal vapor-liquid equilibria of carbon dioxide+1,1-difluoroethane
- Authors
- 임종성; 강정원; Ah Ram Kim
- Issue Date
- 2010
- Publisher
- 한국화학공학회
- Keywords
- Carbon Dioxide (CO2); HFC-152a; Vapor-liquid Equilibria (VLE); Carnahan-Staring-DeSantis Equation of State (CSD EoS); Peng-Robinson Equation of State (PR EoS)
- Citation
- Korean Journal of Chemical Engineering, v.27, no.1, pp.261 - 266
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Korean Journal of Chemical Engineering
- Volume
- 27
- Number
- 1
- Start Page
- 261
- End Page
- 266
- ISSN
- 0256-1115
- Abstract
- Vapor-liquid equilibrium data for the binary mixture of carbon dioxide (CO2)+1,1-difluoroethane (HFC-152a) were measured at five evenly spaced temperatures of (273.15, 283.15, 293.15, 303.15 and 313.15) K by using a circulation-type equilibrium apparatus in which both vapor and liquid phases were recirculated. The experimental data were correlated with the Peng-Robinson equation of state (PR-EoS) using the Wong-Sandler mixing rules combined with the NRTL excess Gibbs free energy model and the Carnahan-Starling-DeSantis equation of state (CSD EoS). Almost all the calculated values with these two models showed good agreement with the experimental data.
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